10787280 has 80 divisors (see below), whose sum is σ = 38223744. Its totient is φ = 2465280.

The previous prime is 10787251. The next prime is 10787291. The reversal of 10787280 is 8278701.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1531 + ... + 4890.

Almost surely, 2^10787280 is an apocalyptic number.

10787280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10787280 is an abundant number, since it is smaller than the sum of its proper divisors (27436464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10787280 is a wasteful number, since it uses less digits than its factorization.

10787280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6444 (or 6438 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 33.

The square root of 10787280 is about 3284.3994884910. The cubic root of 10787280 is about 220.9550764185.

The spelling of 10787280 in words is "ten million, seven hundred eighty-seven thousand, two hundred eighty".